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Finding the Fourth Proportional to 226,422.60, 312,470.67 and 124,451.70

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Solution

The fourth proportional to 226,422.60, 312,470.67 and 124,451.70 is: 171,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,422.60 : 312,470.67 = 124,451.70 : x
  2. Step 2: Convert to fraction form
    226,422.60/312,470.67 = 124,451.70/x
  3. Step 3: Cross multiply
    226,422.60x = 312,470.67 × 124,451.70
  4. Step 4: Simplify right side
    226,422.60x = 38,887,506,081.64
  5. Step 5: Solve for x
    x = 38,887,506,081.64/226,422.60
  6. Step 6: Final answer
    x = 171,747.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.